what is the minimum value of 9tan^A+4cot^A
its urgent pleasee
Answers
Answered by
2
We're actually given,
At the minimum value of this, the derivative of this will be at zero. So let's find what the derivative of it is.
We have to differentiate it with respect to
To avoid some confusion, let,
So,
That is,
As we said earlier, to get
So, y becomes,
Hence 12 is the answer.
Similar questions